#include <stdio.h>

int add(int x, int y) {
	return x + y;
}

int main() {
	int a = 1;
	int b = 2;
	printf("a = %d\n", a);
	printf("b = %d\n", b);

	int c = add(a, b);
	printf("%d + %d = %d\n", a, b, c);
	return 0;
}
